<!DOCTYPE html>
<html lang="en">

  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>casosapp</title>
  </head>
  <style>
    html,
    body {
      padding: 0;
      margin: 0;
    }

  </style>

  <body>
    <div id="app"></div>
  </body>

</html>
